Home / 134,804.65-186,031.07-74,375.29

Finding the Fourth Proportional to 134,804.65, 186,031.07 and 74,375.29

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Solution

The fourth proportional to 134,804.65, 186,031.07 and 74,375.29 is: 102,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,804.65 : 186,031.07 = 74,375.29 : x
  2. Step 2: Convert to fraction form
    134,804.65/186,031.07 = 74,375.29/x
  3. Step 3: Cross multiply
    134,804.65x = 186,031.07 × 74,375.29
  4. Step 4: Simplify right side
    134,804.65x = 13,836,114,780.26
  5. Step 5: Solve for x
    x = 13,836,114,780.26/134,804.65
  6. Step 6: Final answer
    x = 102,638.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.